InterSystems IRIS® data platform provides high-performance, full-featured SQL access. You can use SQL with InterSystems IRIS at scales from queries running on a single CPU core, to parallel queries using dozens of cores, to distributed queries across a cluster of InterSystems IRIS servers.
InterSystems SQL is fully integrated with InterSystems IRIS object technology and also provides connectivity with ODBC and JDBC clients. Other features include automatic parallel query execution, transparently distributed queries, and support for both standard SQL queries and stored procedures.
Using InterSystems SQL provides information about using SQL with InterSystems databases.
InterSystems SQL Optimization Guide explores performance optimization tools in depth.
InterSystems SQL Reference offers detailed reference information on InterSystems SQL commands, functions, operators, and more.
SQL Gateway Overview describes how to enable InterSystems IRIS to access external databases via both JDBC and ODBC.